Ventilator



y found expedient.

.Patented May 31, 1927.

tasas-7a JosEPH soBnI`.,for NEW YORK, NQY.

Application inea August.' 16,1526. -fsemi nu. v129,519. j

' This invention relates to ventilators and has particular reference to a ventilator which is disposed abovethe roof of a buildingy and' is provided with a plurality of openings with closures therefor, the invention particularly residing in the mechanism for simultaneously closing and openiiigsaid closures.

VOne of the principal objects 'and adven- 1 etages of the present invention is to provide a ventilator of the character set forth, which in addition to giving a maximum opening forventilation and minimizing` the danger of freezing, facilitates both the operations ofvclo'sing and opening the closure elements whilereducing the' power required to effecttlie operations. f

' 'Other objects reside in the simplicity of Y'co'nstructiointhe economy withv which the same may bejproduced and erected, and the general etliciency of operation. i ,A `l/Vith; the above recited and other objects in view, rreference is had to the following vspecification and accompanying drawings in which thereis exhibited one example or embodiment of the inventionwhich is in no way intended as a limitation upon i the .scope of the appended claims asit is yto be clearly understood that variations Tand modifica-1 tions which properly fall within the scope of said claims may be resorted to when In the drawings*- V Figure 1 is a diagrammatic sectional plan View illustrating the device in fullfand ,broken lines, respectively in its closed'and open conditions;

Fig. 2 is an end view lpartly in section,

, with the closures in open condition;

Fig. 3V is a fragmentaryenlarged sectional view with the closures in closed'condition;v

hinged along one vertical edge at 13'to swing horizontally outwardfrom la closed to an open position. The apertures 11 preferably will be' dened by a framework 14 between which hollow mullions 15 are disposed.V Each closure onits inner face has hingedly connectedv theretofatV 16, an' arm` 17 Vand the arms 17 of the closures of'each side of the super-structure 10, arelpivotally connected at 18 to a. link bar 19. litithin each mullion 15, a sheave 20 is mounted on a horizontal shaft 21vand cables `or'otlier L flexible elements 22- are. trained over the sheaves 2O and are provided 'withf weights 23 atv oneV end to permitof vertical movement of the weights within the mullions.

The opposite ends ofthe Vcables or flexible elements 22extend through openings 24 on the inner walls of the mullions and; are connected at 25 to theilinkvbars '19. 'Under this arrangement it Vis obvious that all the closures offeach sidel of the' superstructure are connected for simultaneous vmovement,l while the weights 23 being -sufliciently lieavy,'serve to'normally exert an outward pull on the link bar to normally-swing the A closures vto an open position. i f. y ln' order to provide means for manually moving the link bars 19 simultaneously inward Vvto close the rvclosure'elements, the'link more points, preferably lat' two points, the extieinities26 of cables 27, lwhich" cables 27 are trained oversheaves orv pulleys 2S carried by'r blocks 29 swiveled to -a-hanger 30 which is suspended from the center of `the upper portion of thesuperstructure 10, the' 'opposite ends ofthe cables or i'ilexyible elements 27 beingficonnected to a commonV .depending ,operating cable or rope 31.

nder this construction and arrangement it is obviousthat a pull exerted on the operating cable 31 suflicient to Lovercome the combi-ned weight of the weight. elements Vbars have each connected thereto 'at-one' or' 23, will effect the closingfof the closure elei ments. Thepo'perating cableor rope 31 may be engaged with al cleat or otherwise secured to Vhold the closures vin closed condition.

weightsv to ,function to 'swing the closures to an open condition.4 i'

It will be seen from the foregoing in addition to obtaining a full opening of the ventilator and minimizing. the chances that` of the closures freezing and sticking in their closed ondition, the operation. of opening or closing the same is greatly facilitated.

It is, of course, to be understood' that thev super-structure 10 will bejprovided with a When 'it is desired to open the closures, the operating cable 31 vis released to allow the roof 32, which roof may bein the nature 'of a transparent or t ansluccnt material to permit of the passage ol? light therethrough where'the device is used as a sky-light.

lflhat is claimed is: I

l. A ventilator 'inc'lr'iding a plurality ot walls, each having a plurality o-apertures, y a horizontally swingable kclosure for eachr aperture, an arinhinged to lthe inner side ol each closure, a link connecting;` the .arms ofthe closures o'each wall,'niea-ns connected with each link for normally shifting the saine in a direction to open the closures,

Vand ka common means connected with the links i'or manually moving thev same in a direction to close the closures.

2.1 A ventilator including a plurality o' Vwalls, each havin@ a plurality of apertures,

a horizontally swingable closure ior each aperture, an arm hinged to the inner side of each closure, a link connecting the arms of the closures of each wall, weights for each closure connected to the links for normally moving thelinks to a position for opening the closures, and a common means Y of connection betweenthe links :tor manuallygmoving the same in a rdirection for 'closing the closures against the action of the weights. ,y *n

3. A ventilator including a rectangular super-structure closed at the upper end and of the closures ofeach wall, a sheave in each i with said cables.

inullion, a cable tiainedaround each sheave, having a weight attached to one end of the cable and vertically movable in the mullion and said cable being connected at its opporsite' endto thek link bar, whereby simultaneousl outward swinging movement ot the closures to an open position is ellectech'and sin'niltaneoiis'ly inward- Vfor closing all* of the closuresV against the actionr of Athe;

weights.

. Y *l Y Y l 4.3A ventilator includingl a rectangular super-structuii'eJ closed at the upper end and openV at the-,lower end, said super-structure having: a plurality of aperturesin each of its walls and provided with lhollow mullions 'between the apertures, a horizontally swing-r able closure forv each aperture, an armr hinged to the inner side ol each aperture.

and extendinsr inwardl f a link bar )ivotall 'connected tofthe inner ends of the arms of vineans for, 1i iaiuially moviiig the llink bars y theclosures of each wall, a sheave in-each f mullion, a cable trained around each sheave, having a weight attached to one end of the Vcable and vertically movable inthe mullion,

and said cable beingconnected` at its oppon site end to the link b ar`whereby simultaneous outward swing movement oftheclosures to an open position vis effected, andmeansfor manually moving the link bars simultaneously inward for closing all ofthe/closures `againsttlie action of the weights, said latter means comprisingcables attached at` one end respectively to the link bars. andk joined together at the other ends, sheaves over which-saidcables'are trained, and a common manipulating element connected l JosEPHsoBEL. 

